static void
debug_dump_pad (GstPad * pad, const gchar * color_name,
- const gchar * element_name, GstDebugGraphDetails details, FILE * out,
+ const gchar * element_name, GstDebugGraphDetails details, GString * str,
const gint indent)
{
GstPadTemplate *pad_templ;
GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKING) ? 'B' : 'b';
pad_flags[3] = '\0';
- fprintf (out,
+ g_string_append_printf (str,
"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\\n[%c][%s]%s\", height=\"0.2\", style=\"%s\"];\n",
spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad),
activation_mode[pad->mode], pad_flags, task_mode, style_name);
} else {
- fprintf (out,
+ g_string_append_printf (str,
"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\", height=\"0.2\", style=\"%s\"];\n",
spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad),
style_name);
static void
debug_dump_element_pad (GstPad * pad, GstElement * element,
- GstDebugGraphDetails details, FILE * out, const gint indent)
+ GstDebugGraphDetails details, GString * str, const gint indent)
{
GstElement *target_element;
GstPad *target_pad, *tmp_pad;
target_element_name = g_strdup ("");
}
debug_dump_pad (target_pad, color_name, target_element_name, details,
- out, indent);
+ str, indent);
/* src ghostpad relationship */
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
target_pad_name = debug_dump_make_object_name (GST_OBJECT (target_pad));
if (dir == GST_PAD_SRC) {
- fprintf (out, "%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc,
+ g_string_append_printf (str,
+ "%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc,
target_element_name, target_pad_name, element_name, pad_name);
} else {
- fprintf (out, "%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc,
+ g_string_append_printf (str,
+ "%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc,
element_name, pad_name, target_element_name, target_pad_name);
}
g_free (target_pad_name);
GST_PAD_SINK) ? "#aaaaff" : "#cccccc");
}
/* pads */
- debug_dump_pad (pad, color_name, element_name, details, out, indent);
+ debug_dump_pad (pad, color_name, element_name, details, str, indent);
g_free (element_name);
}
static void
debug_dump_element_pad_link (GstPad * pad, GstElement * element,
- GstDebugGraphDetails details, FILE * out, const gint indent)
+ GstDebugGraphDetails details, GString * str, const gint indent)
{
GstElement *peer_element;
GstPad *peer_pad;
/* pad link */
if (media) {
- fprintf (out, "%s%s_%s -> %s_%s [label=\"%s\"]\n", spc,
+ g_string_append_printf (str, "%s%s_%s -> %s_%s [label=\"%s\"]\n", spc,
element_name, pad_name, peer_element_name, peer_pad_name, media);
g_free (media);
} else if (media_src && media_sink) {
/* dot has some issues with placement of head and taillabels,
* we need an empty label to make space */
- fprintf (out, "%s%s_%s -> %s_%s [labeldistance=\"10\", labelangle=\"0\", "
+ g_string_append_printf (str,
+ "%s%s_%s -> %s_%s [labeldistance=\"10\", labelangle=\"0\", "
"label=\" \", "
"taillabel=\"%s\", headlabel=\"%s\"]\n",
spc, element_name, pad_name, peer_element_name, peer_pad_name,
g_free (media_src);
g_free (media_sink);
} else {
- fprintf (out, "%s%s_%s -> %s_%s\n", spc,
+ g_string_append_printf (str, "%s%s_%s -> %s_%s\n", spc,
element_name, pad_name, peer_element_name, peer_pad_name);
}
static void
debug_dump_element_pads (GstIterator * pad_iter, GstPad * pad,
- GstElement * element, GstDebugGraphDetails details, FILE * out,
+ GstElement * element, GstDebugGraphDetails details, GString * str,
const gint indent, guint * src_pads, guint * sink_pads)
{
GValue item = { 0, };
switch (gst_iterator_next (pad_iter, &item)) {
case GST_ITERATOR_OK:
pad = g_value_get_object (&item);
- debug_dump_element_pad (pad, element, details, out, indent);
+ debug_dump_element_pad (pad, element, details, str, indent);
dir = gst_pad_get_direction (pad);
if (dir == GST_PAD_SRC)
(*src_pads)++;
* Helper for gst_debug_bin_to_dot_file() to recursively dump a pipeline.
*/
static void
-debug_dump_element (GstBin * bin, GstDebugGraphDetails details, FILE * out,
- const gint indent)
+debug_dump_element (GstBin * bin, GstDebugGraphDetails details,
+ GString * str, const gint indent)
{
GstIterator *element_iter, *pad_iter;
gboolean elements_done, pads_done;
param_name = debug_dump_get_element_params (GST_ELEMENT (element));
}
/* elements */
- fprintf (out, "%ssubgraph cluster_%s {\n", spc, element_name);
- fprintf (out, "%s fontname=\"Bitstream Vera Sans\";\n", spc);
- fprintf (out, "%s fontsize=\"8\";\n", spc);
- fprintf (out, "%s style=filled;\n", spc);
- fprintf (out, "%s color=black;\n\n", spc);
- fprintf (out, "%s label=\"%s\\n%s%s%s\";\n", spc,
+ g_string_append_printf (str, "%ssubgraph cluster_%s {\n", spc,
+ element_name);
+ g_string_append_printf (str, "%s fontname=\"Bitstream Vera Sans\";\n",
+ spc);
+ g_string_append_printf (str, "%s fontsize=\"8\";\n", spc);
+ g_string_append_printf (str, "%s style=filled;\n", spc);
+ g_string_append_printf (str, "%s color=black;\n\n", spc);
+ g_string_append_printf (str, "%s label=\"%s\\n%s%s%s\";\n", spc,
G_OBJECT_TYPE_NAME (element), GST_OBJECT_NAME (element),
(state_name ? state_name : ""), (param_name ? param_name : "")
);
src_pads = sink_pads = 0;
if ((pad_iter = gst_element_iterate_sink_pads (element))) {
- debug_dump_element_pads (pad_iter, pad, element, details, out, indent,
- &src_pads, &sink_pads);
+ debug_dump_element_pads (pad_iter, pad, element, details, str,
+ indent, &src_pads, &sink_pads);
gst_iterator_free (pad_iter);
}
if ((pad_iter = gst_element_iterate_src_pads (element))) {
- debug_dump_element_pads (pad_iter, pad, element, details, out, indent,
- &src_pads, &sink_pads);
+ debug_dump_element_pads (pad_iter, pad, element, details, str,
+ indent, &src_pads, &sink_pads);
gst_iterator_free (pad_iter);
}
if (GST_IS_BIN (element)) {
- fprintf (out, "%s fillcolor=\"#ffffff\";\n", spc);
+ g_string_append_printf (str, "%s fillcolor=\"#ffffff\";\n", spc);
/* recurse */
- debug_dump_element (GST_BIN (element), details, out, indent + 1);
+ debug_dump_element (GST_BIN (element), details, str, indent + 1);
} else {
if (src_pads && !sink_pads)
- fprintf (out, "%s fillcolor=\"#ffaaaa\";\n", spc);
+ g_string_append_printf (str, "%s fillcolor=\"#ffaaaa\";\n", spc);
else if (!src_pads && sink_pads)
- fprintf (out, "%s fillcolor=\"#aaaaff\";\n", spc);
+ g_string_append_printf (str, "%s fillcolor=\"#aaaaff\";\n", spc);
else if (src_pads && sink_pads)
- fprintf (out, "%s fillcolor=\"#aaffaa\";\n", spc);
+ g_string_append_printf (str, "%s fillcolor=\"#aaffaa\";\n", spc);
else
- fprintf (out, "%s fillcolor=\"#ffffff\";\n", spc);
+ g_string_append_printf (str, "%s fillcolor=\"#ffffff\";\n", spc);
}
- fprintf (out, "%s}\n\n", spc);
+ g_string_append_printf (str, "%s}\n\n", spc);
if ((pad_iter = gst_element_iterate_pads (element))) {
pads_done = FALSE;
while (!pads_done) {
pad = g_value_get_object (&item2);
if (gst_pad_is_linked (pad)) {
if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
- debug_dump_element_pad_link (pad, element, details, out,
+ debug_dump_element_pad_link (pad, element, details, str,
indent);
} else {
GstPad *peer_pad = gst_pad_get_peer (pad);
if (!GST_IS_GHOST_PAD (peer_pad)
&& GST_IS_PROXY_PAD (peer_pad)) {
debug_dump_element_pad_link (peer_pad, NULL, details,
- out, indent);
+ str, indent);
}
gst_object_unref (peer_pad);
}
gst_iterator_free (element_iter);
}
+static void
+debug_dump_header (GstBin * bin, GstDebugGraphDetails details, GString * str)
+{
+ gchar *state_name = NULL;
+ gchar *param_name = NULL;
+
+ if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
+ state_name = debug_dump_get_element_state (GST_ELEMENT (bin));
+ }
+ if (details & GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS) {
+ param_name = debug_dump_get_element_params (GST_ELEMENT (bin));
+ }
+
+ /* write header */
+ g_string_append_printf (str,
+ "digraph pipeline {\n"
+ " rankdir=LR;\n"
+ " fontname=\"sans\";\n"
+ " fontsize=\"10\";\n"
+ " labelloc=t;\n"
+ " nodesep=.1;\n"
+ " ranksep=.2;\n"
+ " label=\"<%s>\\n%s%s%s\";\n"
+ " node [style=filled, shape=box, fontsize=\"9\", fontname=\"sans\", margin=\"0.0,0.0\"];\n"
+ " edge [labelfontsize=\"6\", fontsize=\"9\", fontname=\"monospace\"];\n"
+ " \n"
+ " legend [\n"
+ " pos=\"0,0!\",\n"
+ " margin=\"0.05,0.05\",\n"
+ " label=\"Legend\\lElement-States: [~] void-pending, [0] null, [-] ready, [=] paused, [>] playing\\lPad-Activation: [-] none, [>] push, [<] pull\\lPad-Flags: [b]locked, [f]lushing, [b]locking; upper-case is set\\lPad-Task: [T] has started task, [t] has paused task\\l\"\n,"
+ " ];"
+ "\n", G_OBJECT_TYPE_NAME (bin), GST_OBJECT_NAME (bin),
+ (state_name ? state_name : ""), (param_name ? param_name : "")
+ );
+
+ if (state_name)
+ g_free (state_name);
+ if (param_name)
+ g_free (param_name);
+}
+
+static void
+debug_dump_footer (GString * str)
+{
+ g_string_append_printf (str, "}\n");
+}
+
+/*
+ * gst_debug_bin_to_dot_data:
+ * @bin: the top-level pipeline that should be analyzed
+ *
+ * To aid debugging applications one can use this method to obtain the whole
+ * network of gstreamer elements that form the pipeline into an dot file.
+ * This data can be processed with graphviz to get an image.
+ *
+ * Returns: (transfer full): a string containing the pipeline in graphviz
+ * dot format.
+ */
+gchar *
+gst_debug_bin_to_dot_data (GstBin * bin, GstDebugGraphDetails details)
+{
+ GString *str;
+
+ g_return_if_fail (GST_IS_BIN (bin));
+
+ str = g_string_new (NULL);
+
+ debug_dump_header (bin, details, str);
+ debug_dump_element (bin, details, str, 1);
+ debug_dump_footer (str);
+
+ return g_string_free (str, FALSE);
+}
+
/*
* gst_debug_bin_to_dot_file:
* @bin: the top-level pipeline that should be analyzed
priv_gst_dump_dot_dir, file_name);
if ((out = fopen (full_file_name, "wb"))) {
- gchar *state_name = NULL;
- gchar *param_name = NULL;
+ gchar *buf;
- if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
- state_name = debug_dump_get_element_state (GST_ELEMENT (bin));
- }
- if (details & GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS) {
- param_name = debug_dump_get_element_params (GST_ELEMENT (bin));
- }
+ buf = gst_debug_bin_to_dot_data (bin, details);
+ fputs (buf, out);
- /* write header */
- fprintf (out,
- "digraph pipeline {\n"
- " rankdir=LR;\n"
- " fontname=\"sans\";\n"
- " fontsize=\"10\";\n"
- " labelloc=t;\n"
- " nodesep=.1;\n"
- " ranksep=.2;\n"
- " label=\"<%s>\\n%s%s%s\";\n"
- " node [style=filled, shape=box, fontsize=\"9\", fontname=\"sans\", margin=\"0.0,0.0\"];\n"
- " edge [labelfontsize=\"6\", fontsize=\"9\", fontname=\"monospace\"];\n"
- " \n"
- " legend [\n"
- " pos=\"0,0!\",\n"
- " margin=\"0.05,0.05\",\n"
- " label=\"Legend\\lElement-States: [~] void-pending, [0] null, [-] ready, [=] paused, [>] playing\\lPad-Activation: [-] none, [>] push, [<] pull\\lPad-Flags: [b]locked, [f]lushing, [b]locking; upper-case is set\\lPad-Task: [T] has started task, [t] has paused task\\l\"\n,"
- " ];"
- "\n", G_OBJECT_TYPE_NAME (bin), GST_OBJECT_NAME (bin),
- (state_name ? state_name : ""), (param_name ? param_name : "")
- );
- if (state_name)
- g_free (state_name);
- if (param_name)
- g_free (param_name);
-
- debug_dump_element (bin, details, out, 1);
-
- /* write footer */
- fprintf (out, "}\n");
+ g_free (buf);
fclose (out);
+
GST_INFO ("wrote bin graph to : '%s'", full_file_name);
} else {
GST_WARNING ("Failed to open file '%s' for writing: %s", full_file_name,
projects / platform / upstream / gstreamer.git / commitdiff